21425274

Names of 21425274

• Cardinal: 21425274 can be written as Twenty-one million, four hundred twenty-five thousand, two hundred seventy-four.

Scientific notation

• Scientific notation: 2.1425274 × 10⁷

Factors of 21425274

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 177

Divisors of 21425274

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 13 18 19 26 38 39 57 61 78 79 114 117 122 158 171 183 234 237 247 342 366 474 494 549 711 741 793 1027 1098 1159 1422 1482 1501 1586 2054 2223 2318 2379 3002 3081 3477 4446 4503 4758 4819 6162 6954 7137 9006 9243 9638 10431 13509 14274 14457 15067 18486 19513 20862 27018 28914 30134 39026 43371 45201 58539 62647 86742 90402 91561 117078 125294 135603 175617 183122 187941 271206 274683 351234 375882 549366 563823 824049 1127646 1190293 1648098 2380586 3570879 7141758 10712637 21425274
• Sum of all divisors σ(n): 54163200
• Sum of proper divisors (its aliquot sum) s(n): 32737926
• 21425274 is an abundant number, because the sum of its proper divisors (32737926) is greater than itself. Its abundance is 11312652

Bases of 21425274

• Binary: 1010001101110110001111010₂
• Hexadecimal: 0x146EC7A
• Base-36: CR7UI

Squares and roots of 21425274

• 21425274 squared (21425274²) is 459042365975076
• 21425274 cubed (21425274³) is 9835108468624280470824
• The square root of 21425274 is 4628.7443221677
• The cube root of 21425274 is 277.7423643505

Scales and comparisons

• 21,425,274 seconds is equal to 35 weeks, 2 days, 23 hours, 27 minutes, 54 seconds.
• To count from 1 to 21,425,274 would take you about twenty-three hours!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21425274 cubic inches would be around 23.1 feet tall.

Recreational maths with 21425274

• 21425274 backwards is 47252412
• The number of decimal digits it has is: 8
• The sum of 21425274's digits is 27
• More coming soon!